NBC News joined a NATO flotilla as it sailed the icy sea hunting Russian saboteurs accused of targeting undersea cables.

From a chain of massive barges stretching from a Chinese beach into the sea, to a powerful new design for cutting undersea ...

Beneath the ocean’s surface, hidden from view, lies a global nervous system. Thousands of miles of armored cables carry ...

The device integrates seamlessly with China's advanced crewed and uncrewed submersibles, such as the Fendouzhe and Haidou ...

China has developed a compact deep-sea device capable of cutting armoured undersea cables at depths of 4,000 metres — twice ...

Karina Barquet, Hans Liwång, and Torsten Linders explore how the Baltic Sea is evolving into a ‘built seascape.’ ...

Cinia suspected the damage had occurred in the early hours on January 26 in the same area where damage was detected in ...

KLAIPĖDA, Lithuania—As Russia has carried out its brutal invasion of Ukraine, it has increasingly resorted to hybrid warfare ...

Suspected attacks against undersea cables have increased since Russia's invasion of Ukraine in 2022, including several ...

A French ATL2 maritime patrol aircraft was targeted by Russian fire-control radar over the Baltic during a NATO mission amid ...

Tensions in the Baltic theatre escalated further following a high-stakes aerial encounter in international airspace, where a ...